CGJ may refer to:
- Combining grapheme joiner (CGJ, U+034F), a Unicode character that has no visible glyph, use to separate characters that should not form a digraph
- Kasompe Airport (IATA airport code
CGJ
), Chingola, Copperbelt Province, Zambia
See also
edit- Montenegro Sailing Federation (MSF; Serbo-Croatian: Crnogorski Jedriličarski Savez; CGJS)